About the Book

M. T. Anderson meets Cory Doctorow in this teen debut from #1 New York Times bestseller Sean Williams, who also coauthors the Troubletwisters series with Garth Nix.

When a coded note promises improvement—the chance to change your body any way you want, making it stronger, taller, more beautiful—Clair thinks it's too good to be true, but her best friend, Libby, falls into a deadly trap.

With the help of the school freak and a mysterious stranger, Clair races against the clock and around the world to save Libby, even as every step draws her deeper into a deadly world of cover-ups and conspiracies.

Action and danger fuel this near-future tale of technology, identity, and the lengths one girl will go to save her best friend.

Book Description

You can be improved. . . .

Can you really change your body just by carrying around a coded note? Sure—the advanced technology of a d-mat booth will transport you anywhere instantly, but can it also make you taller, stronger, more beautiful? Clair is pretty sure the offer is too good to be true. But her best friend, Libby, is determined to give it a try, longing for a new, improved version of herself.

What starts as Libby's dream turns into Clair's nightmare when Libby falls foul of a deadly trap. With the help of Jesse, the school freak, and a mysterious—but powerful—stranger called Q, Clair's attempt to protect Libby leads her to an unimagined world of conspiracies and cover-ups. Soon her own life is at risk, and Clair is chased across the world in a desperate race against time.

Action and danger fuel Sean Williams's near-future tale of technology, identity, and the lengths one girl will go to in order to save her best friend.

Educator and Librarian Resources

Critical Praise

“In the masterful hands of Williams, the technology, which has eerie parallels to contemporary life, provides a solid platform for great storytelling, and teens will revel in the drama, Clair’s tenacity, and the memorable characters who discover that their utopia isn’t all it’s cracked up to be.” —

“A mind-blowing adventure about what it means to be human, and what it means to find ourselves.” —

“A gripping YA thriller, coming of age and love story that transports the reader to a future that looks a whole lot better than it really is ... Highly Recommended.” —

“TWINMAKER asks smart questions without easy answers, and presents a future so simultaneously wonderful and terrible you can only believe in it. A thrilling, existential head trip worthy of my favorite anime, I couldn’t stop reading this book. More importantly, I couldn’t stop thinking about it.” —

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